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Martin Audio WPM for Fiji’s World Harvest Centre

Christian Mission Fellowship International (CMFI), established in 1990, is a church headquartered at The World Harvest Centre (WHC) in Suva, Fiji. The round church building hosts over 3,500 worshippers, a full band, production, and a 100-member choir. Head Pastor Suliasi Kurulo, his production crew and the committee recently decided it was time to upgrade the sound system.

They awarded the project to Carey Leghorn from CVAV Australia, based on a Martin Audio solution. Leghorn, together with Anthony Russo from Technical Audio Group, Martin Audio’s Australian representative, made several visits to WHC to evaluate the scale of the project and create a design that would meet the brief’s requirements.

“This project was one of the most difficult I had ever worked on”, shares Leghorn. “We faced several challenges, from working at 15 m heights for PA rigging to custom steel fabrication on site. Additionally, we had to install several kilometres of cables through a complex roof structure. Also, much of the fabrication had to be done in Australia with no room for error once the project was containerised and sea freighted.” According to Leghorn, choosing the final speaker design involved hundreds of hours of modelling, with the final decision to use a Martin Audio Wavefront Precision line array system.

The services are major concert events with 3,000-plus people singing, supported by a full band and choir. Therefore, the system had to achieve SPLs generally associated with an international touring act. Martin Audio’s Display prediction software was used to design a 56-cabinet WPM system, which proved the optimal solution. The main hang consists of a 32-cabinet left and right system in two-box resolution, along with a 10-a-side WPM operating in one-box resolution mode.

The system is underpinned with two stacks of six Martin Audio SX218 subwoofers per side, each individually processed. Despite the challenges posed by the rigging and structural steelwork, the CVAV crew achieved the feat of hanging a centre cluster and allowing beam steering of the sub-cluster. “Once I saw it hang together in place, it was a dream moment for me”, says Anthony Russo. “It’s extremely rare to get subs in that position in churches, where projectors, sightlines and roof weight loadings often constrain you. This results in compromised split left and right subs and the inevitable power alley and off-axis cancellations.”

The choir stalls are covered with eight individually amplified and processed CDD12 two-way cabinets from Martin’s coaxial CDD range. The main console provides a tailored mix send depending on the choir’s requirements. An eight-cabinet Blackline X12 delay system was installed to complement the main PA. This enhances the overall experience for the rear congregation and optimises the coverage of the main arrays to the main seating area.

Three CDD10 speakers across the stage apron supplement the front rows to complete the main system. The stage is covered by a foldback system comprising six LE100 wedge monitors.

(Photos: CVAV Australia/Martin Audio/World Harvest Centre)

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